<template>
  <el-card class="app-container">
    <div>
      <div class="itemTitle">菜单管理</div>
      <div >
        <el-form
          :model="queryParams"
          ref="queryForm"
          :inline="true"
          v-show="showSearch"
        >
          <el-col :span="5">
            <el-form-item label="菜单名称" prop="menuName">
              <el-input
                v-model="queryParams.menuName"
                placeholder="请输入菜单名称"
                clearable
                size="small"
                @keyup.enter.native="handleQuery"
              />
            </el-form-item>
          </el-col>
          <el-col :span="5">
            <el-form-item label="状态" prop="status">
              <el-select
                v-model="queryParams.status"
                placeholder="菜单状态"
                clearable
                size="small"
              >
                <el-option
                  v-for="dict in statusOptions"
                  :key="dict.dictValue"
                  :label="dict.dictLabel"
                  :value="dict.dictValue"
                />
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="5">
            <el-form-item>
              <el-button type="primary" @click="handleQuery">搜索</el-button>
              <el-button @click="resetQuery">重置</el-button>
            </el-form-item>
          </el-col>
        </el-form>
      </div>
      <div class="content">
        <div class="ct-btns">
          <el-col :span="1.5">
            <el-button
              type="primary"
              @click="handleAdd"
              v-hasPermi="['system:menu:add']"
              >新增</el-button
            >
          </el-col>
        </div>
        <div style="overflow-y: scroll;">
          <el-table
            v-loading="loading"
            :data="menuList"
            row-key="menuId"
            :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
            border
          >
            <el-table-column
              prop="menuName"
              label="菜单名称"
              :show-overflow-tooltip="true"
              width="160"
            ></el-table-column>
            <el-table-column
              prop="icon"
              label="图标"
              align-item="center"
              width="100"
            >
              <template slot-scope="scope">
                <svg-icon :icon-class="scope.row.icon" />
              </template>
            </el-table-column>
            <el-table-column
              prop="orderNum"
              label="排序"
              width="60"
            ></el-table-column>
            <el-table-column
              prop="perms"
              label="权限标识"
              :show-overflow-tooltip="true"
            ></el-table-column>
            <el-table-column
              prop="component"
              label="组件路径"
              :show-overflow-tooltip="true"
            ></el-table-column>
            <el-table-column
              prop="status"
              label="状态"
              :formatter="statusFormat"
              width="80"
            ></el-table-column>
            <el-table-column
              label="创建时间"
              align-item="center"
              prop="createTime"
            >
              <template slot-scope="scope">
                <span>{{ parseTime(scope.row.createTime) }}</span>
              </template>
            </el-table-column>
            <el-table-column
              label="操作"
              align-item="center"
              class-name="small-padding fixed-width"
            >
              <template slot-scope="scope">
                <el-button
                  type="text"
                  @click="handleUpdate(scope.row)"
                  v-hasPermi="['system:menu:edit']"
                  >编辑</el-button
                >
                <el-button
                  type="text"
                  @click="handleAdd(scope.row)"
                  v-hasPermi="['system:menu:add']"
                  >新增</el-button
                >
                <el-button
                  type="text"
                  @click="handleDelete(scope.row)"
                  v-hasPermi="['system:menu:remove']"
                  >删除</el-button
                >
              </template>
            </el-table-column>
          </el-table>
        </div>
      </div>
      <!-- 添加或编辑菜单对话框 -->
      <el-dialog
        :title="title"
        :visible.sync="open"
        width="600px"
        append-to-body
      >
        <el-form ref="form" :model="form" :rules="rules" label-width="80px">
          <el-row>
            <el-col :span="24">
              <el-form-item label="上级菜单">
                <treeselect
                  v-model="form.parentId"
                  :options="menuOptions"
                  :normalizer="normalizer"
                  :show-count="true"
                  placeholder="选择上级菜单"
                />
              </el-form-item>
            </el-col>
            <el-col :span="24">
              <el-form-item label="菜单类型" prop="menuType">
                <el-radio-group v-model="form.menuType">
                  <el-radio label="M">目录</el-radio>
                  <el-radio label="C">菜单</el-radio>
                  <el-radio label="F">按钮</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
            <el-col :span="24">
              <el-form-item v-if="form.menuType != 'F'" label="菜单图标">
                <el-popover
                  placement="bottom-start"
                  width="460"
                  trigger="click"
                  @show="$refs['iconSelect'].reset()"
                >
                  <IconSelect ref="iconSelect" @selected="selected" />
                  <el-input
                    slot="reference"
                    v-model="form.icon"
                    placeholder="点击选择图标"
                    clearable
                  >
                    <svg-icon
                      v-if="form.icon"
                      slot="prefix"
                      :icon-class="form.icon"
                      class="el-input__icon"
                      style="height: 32px; width: 16px"
                    />
                    <i
                      v-else
                      slot="prefix"
                      class="el-icon-search el-input__icon"
                    />
                  </el-input>
                </el-popover>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item label="菜单名称" prop="menuName">
                <el-input
                  v-model="form.menuName"
                  placeholder="请输入菜单名称"
                />
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item label="显示排序" prop="orderNum">
                <el-input-number
                  v-model="form.orderNum"
                  controls-position="right"
                  :min="0"
                />
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="form.menuType != 'F'" label="是否外链">
                <el-radio-group v-model="form.isFrame">
                  <el-radio label="0">是</el-radio>
                  <el-radio label="1">否</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item
                v-if="form.menuType != 'F'"
                label="路由地址"
                prop="path"
              >
                <el-input v-model="form.path" placeholder="请输入路由地址" />
              </el-form-item>
            </el-col>
            <el-col :span="12" v-if="form.menuType == 'C'">
              <el-form-item label="组件路径" prop="component">
                <el-input
                  v-model="form.component"
                  placeholder="请输入组件路径"
                />
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="form.menuType != 'M'" label="权限标识">
                <el-input
                  v-model="form.perms"
                  placeholder="请权限标识"
                  maxlength="50"
                />
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="form.menuType != 'F'" label="显示状态">
                <el-radio-group v-model="form.visible">
                  <el-radio
                    v-for="dict in visibleOptions"
                    :key="dict.dictValue"
                    :label="dict.dictValue"
                    >{{ dict.dictLabel }}</el-radio
                  >
                </el-radio-group>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="form.menuType != 'F'" label="菜单状态">
                <el-radio-group v-model="form.status">
                  <el-radio
                    v-for="dict in statusOptions"
                    :key="dict.dictValue"
                    :label="dict.dictValue"
                    >{{ dict.dictLabel }}</el-radio
                  >
                </el-radio-group>
              </el-form-item>
            </el-col>
            <el-col :span="12">
              <el-form-item v-if="form.menuType == 'C'" label="是否缓存">
                <el-radio-group v-model="form.isCache">
                  <el-radio label="0">缓存</el-radio>
                  <el-radio label="1">不缓存</el-radio>
                </el-radio-group>
              </el-form-item>
            </el-col>
          </el-row>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button @click="cancel">取消</el-button>
          <el-button type="primary" @click="submitForm">确定</el-button>
        </div>
      </el-dialog>
    </div>
  </el-card>
</template>

<script>
import {
  listMenu,
  getMenu,
  delMenu,
  addMenu,
  updateMenu,
} from "@/api/system/menu";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import IconSelect from "@/components/IconSelect";

export default {
  name: "Menu",
  components: { Treeselect, IconSelect },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 显示搜索条件
      showSearch: true,
      // 菜单表格树数据
      menuList: [],
      // 菜单树选项
      menuOptions: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 显示状态数据字典
      visibleOptions: [],
      // 菜单状态数据字典
      statusOptions: [],
      // 查询参数
      queryParams: {
        menuName: undefined,
        visible: undefined,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        menuName: [
          { required: true, message: "菜单名称不能为空", trigger: "blur" },
        ],
        orderNum: [
          { required: true, message: "菜单顺序不能为空", trigger: "blur" },
        ],
        path: [
          { required: true, message: "路由地址不能为空", trigger: "blur" },
        ],
      },
    };
  },
  created() {
    this.getList();
    this.getDicts("sys_show_hide").then((response) => {
      this.visibleOptions = response.data;
    });
    this.getDicts("sys_normal_disable").then((response) => {
      this.statusOptions = response.data;
    });
  },
  methods: {
    // 选择图标
    selected(name) {
      this.form.icon = name;
    },
    /** 查询菜单列表 */
    getList() {
      this.loading = true;
      listMenu(this.queryParams).then((response) => {
        this.menuList = this.handleTree(response.data, "menuId");
        this.loading = false;
      });
    },
    /** 转换菜单数据结构 */
    normalizer(node) {
      if (node.children && !node.children.length) {
        delete node.children;
      }
      return {
        id: node.menuId,
        label: node.menuName,
        children: node.children,
      };
    },
    /** 查询菜单下拉树结构 */
    getTreeselect() {
      listMenu().then((response) => {
        this.menuOptions = [];
        const menu = { menuId: 0, menuName: "主类目", children: [] };
        menu.children = this.handleTree(response.data, "menuId");
        this.menuOptions.push(menu);
      });
    },
    // 显示状态字典翻译
    visibleFormat(row, column) {
      if (row.menuType == "F") {
        return "";
      }
      return this.selectDictLabel(this.visibleOptions, row.visible);
    },
    // 菜单状态字典翻译
    statusFormat(row, column) {
      if (row.menuType == "F") {
        return "";
      }
      return this.selectDictLabel(this.statusOptions, row.status);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        menuId: undefined,
        parentId: 0,
        menuName: undefined,
        icon: undefined,
        menuType: "M",
        orderNum: undefined,
        isFrame: "1",
        isCache: "0",
        visible: "0",
        status: "0",
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd(row) {
      this.reset();
      this.getTreeselect();
      if (row != null && row.menuId) {
        this.form.parentId = row.menuId;
      } else {
        this.form.parentId = 0;
      }
      this.open = true;
      this.title = "新增菜单";
    },
    /** 编辑按钮操作 */
    handleUpdate(row) {
      this.reset();
      this.getTreeselect();
      getMenu(row.menuId).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "编辑菜单";
      });
    },
    /** 提交按钮 */
    submitForm: function () {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.menuId != undefined) {
            updateMenu(this.form).then((response) => {
              this.msgSuccess("编辑成功");
              this.open = false;
              this.getList();
            });
          } else {
            addMenu(this.form).then((response) => {
              this.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      this.$confirm(
        '是否确认删除?',
        "警告",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning",
        }
      )
        .then(function () {
          return delMenu(row.menuId);
        })
        .then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        });
    },
  },
};
</script>
<style>
.app-container {
  overflow: auto;
}
</style>